I saw this in a link i found at another site. it was announced on 8 Dec, I never saw anything.
Malaysia Airlines Cancels South Africa and Argentina Service from Feb 2012 as Planned
Update 0300GMT 08DEC11
Malaysia Airlines on 07DEC11 has officially announced the cancellation of Kuala Lumpur – Johannesburg and Kuala Lumpue – Cape Town – Buenos Aires service
Johannesburg service is to be cancelled from 31JAN12, while Cape Town and Buenos Aires service to be cancelled from 01FEB12. At time this post goes to press, the airline is gradually closing reservations on these routes. Currently, only full-fare is “available for reservation”, while discounted fares has been closed.
http://airlineroute.net/category/malaysia-airlines/